I have a huge task in front of me! My husband is a professional violist who has an extensive music library that I have offered to catalog for him. After having reviewed what's out there on the market, I am thinking that FileMaker Pro may be a very good alternative in terms of being able to customize an organizing plan. I have just downloaded a trial version to check it out. I would appreciate it if anyone has already developed a cataloging plan and would be willing to direct me in what you have discovered and whether you are happy with FM Pro or would suggest an alternative. Thank you!